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Asphalt shingles and catchment??
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05-04-2017, 02:04 AM
the CTAHR Catchment booklet advises against roofing materials that can have asbestos and asphalt (many Asphalt shingles have used asbestos as a fire retardant in the past):
http://www.ctahr.hawaii.edu/oc/freepubs/pdf/rm-12.pdf |
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Asphalt shingles and catchment?? - by AKpilot - 05-03-2017, 04:23 AM
RE: Asphalt shingles and catchment?? - by EightFingers - 05-03-2017, 05:32 AM
RE: Asphalt shingles and catchment?? - by geochem - 05-03-2017, 06:42 AM
RE: Asphalt shingles and catchment?? - by terracore - 05-03-2017, 12:15 PM
RE: Asphalt shingles and catchment?? - by ericlp - 05-03-2017, 08:47 PM
RE: Asphalt shingles and catchment?? - by Carey - 05-04-2017, 02:04 AM
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